package com.joseph.test;

import java.util.Objects;

/**
 * @description 
 * @author Joseph_Mok
 * @date 2016年3月29日上午9:46:59
 */
public class Father {


	public static String a;
	static {
		System.out.println("father static block" + a);
	}
	
	static {
		System.out.println("father static block");
	}
	
	{
		System.out.println("father instance block");
	}

	public Father() {
		System.out.println("father constructor");
	}
	
	public static void main(String[] args) {
		Objects.requireNonNull(null, "aaa");
		
	}
	
}